diff --git a/.github/codecov.yaml b/.github/codecov.yaml
index aa7b9fc7c..827a4ebd8 100644
--- a/.github/codecov.yaml
+++ b/.github/codecov.yaml
@@ -52,3 +52,7 @@ component_management:
       name: utils
       paths:
         - crates/utils/**
+    - component_id: network
+      name: network
+      paths:
+        - crates/network/**
diff --git a/Cargo.lock b/Cargo.lock
index 18682ef2f..b55add5f6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -27,6 +27,15 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aead"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b613b8e1e3cf911a086f53f03bf286f52fd7a7258e4fa606f0ef220d39d8877"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "aes"
 version = "0.7.5"
@@ -50,6 +59,20 @@ dependencies = [
  "cpufeatures",
 ]
 
+[[package]]
+name = "aes-gcm"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df5f85a83a7d8b0442b6aa7b504b8212c1733da07b98aae43d4bc21b2cb3cdf6"
+dependencies = [
+ "aead",
+ "aes 0.7.5",
+ "cipher 0.3.0",
+ "ctr 0.8.0",
+ "ghash",
+ "subtle",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.3"
@@ -133,6 +156,12 @@ version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7de8ce5e0f9f8d88245311066a578d72b7af3e7088f32783804676302df237e4"
 
+[[package]]
+name = "arrayref"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b4930d2cb77ce62f89ee5d5289b4ac049559b1c45539271f5ed4fdc7db34545"
+
 [[package]]
 name = "arrayvec"
 version = "0.7.2"
@@ -148,6 +177,51 @@ dependencies = [
  "term",
 ]
 
+[[package]]
+name = "asn1-rs"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f6fd5ddaf0351dff5b8da21b2fb4ff8e08ddd02857f0bf69c47639106c0fff0"
+dependencies = [
+ "asn1-rs-derive",
+ "asn1-rs-impl",
+ "displaydoc",
+ "nom",
+ "num-traits",
+ "rusticata-macros",
+ "thiserror",
+ "time 0.3.20",
+]
+
+[[package]]
+name = "asn1-rs-derive"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "726535892e8eae7e70657b4c8ea93d26b8553afb1ce617caee529ef96d7dee6c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+ "synstructure",
+]
+
+[[package]]
+name = "asn1-rs-impl"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2777730b2039ac0f95f093556e61b6d26cebed5393ca6f152717777cec3a42ed"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+]
+
+[[package]]
+name = "asn1_der"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "155a5a185e42c6b77ac7b88a15143d930a9e9727a5b7b77eed417404ab15c247"
+
 [[package]]
 name = "async-channel"
 version = "1.9.0"
@@ -204,7 +278,7 @@ dependencies = [
  "polling",
  "rustix 0.37.3",
  "slab",
- "socket2",
+ "socket2 0.4.9",
  "waker-fn",
 ]
 
@@ -293,6 +367,19 @@ dependencies = [
  "rustc_version",
 ]
 
+[[package]]
+name = "asynchronous-codec"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4057f2c32adbb2fc158e22fb38433c8e9bbf76b75a4732c7c0cbaf695fb65568"
+dependencies = [
+ "bytes",
+ "futures-sink",
+ "futures-util",
+ "memchr",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.1"
@@ -388,6 +475,12 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base-x"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cbbc9d0964165b47557570cce6c952866c2678457aca742aafc9fb771d30270"
+
 [[package]]
 name = "base16ct"
 version = "0.2.0"
@@ -499,6 +592,15 @@ dependencies = [
  "wyz",
 ]
 
+[[package]]
+name = "blake2"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46502ad458c9a52b69d4d4d32775c788b7a1b85e8bc9d482d92250fc0e3f8efe"
+dependencies = [
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
@@ -541,6 +643,15 @@ dependencies = [
  "sha2 0.9.9",
 ]
 
+[[package]]
+name = "bs58"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5353f36341f7451062466f0b755b96ac3a9547e4d7f6b70d603fc721a7d7896"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.12.0"
@@ -645,6 +756,31 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chacha20"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c80e5460aa66fe3b91d40bcbdab953a597b60053e34d684ac6903f863b680a6"
+dependencies = [
+ "cfg-if",
+ "cipher 0.3.0",
+ "cpufeatures",
+ "zeroize",
+]
+
+[[package]]
+name = "chacha20poly1305"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a18446b09be63d457bbec447509e85f662f32952b035ce892290396bc0b0cff5"
+dependencies = [
+ "aead",
+ "chacha20",
+ "cipher 0.3.0",
+ "poly1305",
+ "zeroize",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.24"
@@ -787,15 +923,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b30a84aab436fcb256a2ab3c80663d8aec686e6bae12827bb05fef3e1e439c9f"
 dependencies = [
  "bincode",
- "bs58",
+ "bs58 0.4.0",
  "coins-core",
- "digest 0.10.6",
- "getrandom",
+ "digest 0.10.7",
+ "getrandom 0.2.8",
  "hmac 0.12.1",
  "k256",
  "lazy_static",
  "serde",
- "sha2 0.10.6",
+ "sha2 0.10.8",
  "thiserror",
 ]
 
@@ -807,12 +943,12 @@ checksum = "84f4d04ee18e58356accd644896aeb2094ddeafb6a713e056cef0c0a8e468c15"
 dependencies = [
  "bitvec 0.17.4",
  "coins-bip32",
- "getrandom",
+ "getrandom 0.2.8",
  "hmac 0.12.1",
  "once_cell",
  "pbkdf2 0.12.1",
  "rand",
- "sha2 0.10.6",
+ "sha2 0.10.8",
  "thiserror",
 ]
 
@@ -824,14 +960,14 @@ checksum = "9b949a1c63fb7eb591eb7ba438746326aedf0ae843e51ec92ba6bec5bb382c4f"
 dependencies = [
  "base64 0.21.0",
  "bech32",
- "bs58",
- "digest 0.10.6",
+ "bs58 0.4.0",
+ "digest 0.10.7",
  "generic-array",
  "hex",
  "ripemd",
  "serde",
  "serde_derive",
- "sha2 0.10.6",
+ "sha2 0.10.8",
  "sha3",
  "thiserror",
 ]
@@ -949,11 +1085,20 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
+[[package]]
+name = "core2"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b49ba7ef1ad6107f8824dbe97de947cbaac53c44e7f9756a1fba0d37c1eec505"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "cpufeatures"
-version = "0.2.5"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
+checksum = "a17b76ff3a4162b0b27f354a0c87015ddad39d35f9c0c36607a3bdd175dde1f1"
 dependencies = [
  "libc",
 ]
@@ -1023,7 +1168,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c2538c4e68e52548bacb3e83ac549f903d44f011ac9d5abb5e132e67d0808f7"
 dependencies = [
  "generic-array",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
  "zeroize",
 ]
@@ -1038,6 +1183,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "crypto-mac"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
 [[package]]
 name = "crypto-mac"
 version = "0.11.1"
@@ -1049,13 +1204,12 @@ dependencies = [
 ]
 
 [[package]]
-name = "ctor"
-version = "0.1.26"
+name = "ctr"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d2301688392eb071b0bf1a37be05c469d3cc4dbbd95df672fe28ab021e6a096"
+checksum = "049bb91fb4aaf0e3c7efa6cd5ef877dbbbd15b39dad06d9948de4ec8a75761ea"
 dependencies = [
- "quote",
- "syn 1.0.107",
+ "cipher 0.3.0",
 ]
 
 [[package]]
@@ -1067,6 +1221,47 @@ dependencies = [
  "cipher 0.4.3",
 ]
 
+[[package]]
+name = "curve25519-dalek"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b9fdf9972b2bd6af2d913799d9ebc165ea4d2e65878e329d9c6b372c4491b61"
+dependencies = [
+ "byteorder",
+ "digest 0.9.0",
+ "rand_core 0.5.1",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek"
+version = "4.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89b8c6a2e4b1f45971ad09761aafb85514a84744b67a95e32c3cc1352d1f65c"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "curve25519-dalek-derive",
+ "digest 0.10.7",
+ "fiat-crypto",
+ "platforms",
+ "rustc_version",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "curve25519-dalek-derive"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.32",
+]
+
 [[package]]
 name = "cxx"
 version = "1.0.92"
@@ -1111,14 +1306,38 @@ dependencies = [
  "syn 1.0.107",
 ]
 
+[[package]]
+name = "darling"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a01d95850c592940db9b8194bc39f4bc0e89dee5c4265e4b1807c34a9aba453c"
+dependencies = [
+ "darling_core 0.13.4",
+ "darling_macro 0.13.4",
+]
+
 [[package]]
 name = "darling"
 version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0209d94da627ab5605dcccf08bb18afa5009cfbef48d8a8b7d7bdbc79be25c5e"
 dependencies = [
- "darling_core",
- "darling_macro",
+ "darling_core 0.20.3",
+ "darling_macro 0.20.3",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "859d65a907b6852c9361e3185c862aae7fafd2887876799fa55f5f99dc40d610"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 1.0.107",
 ]
 
 [[package]]
@@ -1135,13 +1354,24 @@ dependencies = [
  "syn 2.0.32",
 ]
 
+[[package]]
+name = "darling_macro"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c972679f83bdf9c42bd905396b6c3588a843a17f0f16dfcfa3e2c5d57441835"
+dependencies = [
+ "darling_core 0.13.4",
+ "quote",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "darling_macro"
 version = "0.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
- "darling_core",
+ "darling_core 0.20.3",
  "quote",
  "syn 2.0.32",
 ]
@@ -1152,6 +1382,26 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2e66c9d817f1720209181c316d28635c050fa304f9c79e47a520882661b7308"
 
+[[package]]
+name = "data-encoding-macro"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c904b33cc60130e1aeea4956ab803d08a3f4a0ca82d64ed757afac3891f2bb99"
+dependencies = [
+ "data-encoding",
+ "data-encoding-macro-internal",
+]
+
+[[package]]
+name = "data-encoding-macro-internal"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fdf3fce3ce863539ec1d7fd1b6dcc3c645663376b43ed376bbf887733e4f772"
+dependencies = [
+ "data-encoding",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "der"
 version = "0.7.4"
@@ -1162,6 +1412,31 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "der-parser"
+version = "8.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbd676fbbab537128ef0278adb5576cf363cff6aa22a7b24effe97347cfab61e"
+dependencies = [
+ "asn1-rs",
+ "displaydoc",
+ "nom",
+ "num-bigint",
+ "num-traits",
+ "rusticata-macros",
+]
+
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "derive_more"
 version = "0.99.17"
@@ -1208,9 +1483,9 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.6"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer 0.10.3",
  "crypto-common",
@@ -1238,6 +1513,17 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "displaydoc"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.32",
+]
+
 [[package]]
 name = "dotenv"
 version = "0.15.0"
@@ -1250,6 +1536,12 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1435fa1053d8b2fbbe9be7e97eca7f33d37b28409959813daefc1446a14247f1"
 
+[[package]]
+name = "dtoa"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcbb2bf8e87535c23f7a8a321e364ce21462d0ff10cb6407820e8e96dfff6653"
+
 [[package]]
 name = "dunce"
 version = "1.0.3"
@@ -1268,11 +1560,35 @@ dependencies = [
  "signature",
 ]
 
+[[package]]
+name = "ed25519"
+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60f6d271ca33075c88028be6f04d502853d63a5ece419d269c15315d4fc1cf1d"
+dependencies = [
+ "pkcs8",
+ "signature",
+]
+
+[[package]]
+name = "ed25519-dalek"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7277392b266383ef8396db7fdeb1e77b6c52fed775f5df15bb24f35b72156980"
+dependencies = [
+ "curve25519-dalek 4.1.1",
+ "ed25519",
+ "rand_core 0.6.4",
+ "serde",
+ "sha2 0.10.8",
+ "zeroize",
+]
+
 [[package]]
 name = "either"
-version = "1.8.1"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcaabb2fef8c910e7f4c7ce9f67a1283a1715879a7c230ca9d6d1ae31f16d91"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
 [[package]]
 name = "elliptic-curve"
@@ -1282,12 +1598,12 @@ checksum = "75c71eaa367f2e5d556414a8eea812bc62985c879748d6403edabd9cb03f16e7"
 dependencies = [
  "base16ct",
  "crypto-bigint",
- "digest 0.10.6",
+ "digest 0.10.7",
  "ff",
  "generic-array",
  "group",
  "pkcs8",
- "rand_core",
+ "rand_core 0.6.4",
  "sec1",
  "subtle",
  "zeroize",
@@ -1341,6 +1657,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "enum-as-inner"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9720bba047d567ffc8a3cba48bf19126600e249ab7f128e9233e6376976a116"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+]
+
 [[package]]
 name = "enum_dispatch"
 version = "0.3.12"
@@ -1398,8 +1726,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fda3bf123be441da5260717e0661c25a2fd9cb2b2c1d20bf2e05580047158ab"
 dependencies = [
  "aes 0.8.2",
- "ctr",
- "digest 0.10.6",
+ "ctr 0.9.2",
+ "digest 0.10.7",
  "hex",
  "hmac 0.12.1",
  "pbkdf2 0.11.0",
@@ -1407,7 +1735,7 @@ dependencies = [
  "scrypt",
  "serde",
  "serde_json",
- "sha2 0.10.6",
+ "sha2 0.10.8",
  "sha3",
  "thiserror",
  "uuid",
@@ -1462,16 +1790,64 @@ dependencies = [
 ]
 
 [[package]]
-name = "ethers"
-version = "2.0.8"
+name = "ethereum_hashing"
+version = "1.0.0-beta.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96b4026b97da8281276744741fac7eb385da905f6093c583331fa2953fdd4253"
+checksum = "233dc6f434ce680dbabf4451ee3380cec46cb3c45d66660445a435619710dd35"
 dependencies = [
- "ethers-addressbook",
- "ethers-contract",
- "ethers-core",
- "ethers-etherscan",
- "ethers-middleware",
+ "cpufeatures",
+ "lazy_static",
+ "ring",
+ "sha2 0.10.8",
+]
+
+[[package]]
+name = "ethereum_serde_utils"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f8cb04ea380a33e9c269fa5f8df6f2d63dee19728235f3e639e7674e038686a"
+dependencies = [
+ "ethereum-types",
+ "hex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
+[[package]]
+name = "ethereum_ssz"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e61ffea29f26e8249d35128a82ec8d3bd4fbc80179ea5f5e5e3daafef6a80fcb"
+dependencies = [
+ "ethereum-types",
+ "itertools 0.10.5",
+ "smallvec",
+]
+
+[[package]]
+name = "ethereum_ssz_derive"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6085d7fd3cf84bd2b8fec150d54c8467fb491d8db9c460607c5534f653a0ee38"
+dependencies = [
+ "darling 0.13.4",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+]
+
+[[package]]
+name = "ethers"
+version = "2.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96b4026b97da8281276744741fac7eb385da905f6093c583331fa2953fdd4253"
+dependencies = [
+ "ethers-addressbook",
+ "ethers-contract",
+ "ethers-core",
+ "ethers-etherscan",
+ "ethers-middleware",
  "ethers-providers",
  "ethers-signers",
  "ethers-solc",
@@ -1673,7 +2049,7 @@ dependencies = [
  "rand",
  "rusoto_core",
  "rusoto_kms",
- "sha2 0.10.6",
+ "sha2 0.10.8",
  "spki",
  "thiserror",
  "tracing",
@@ -1741,10 +2117,16 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
+[[package]]
+name = "fiat-crypto"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0870c84016d4b481be5c9f323c24f65e31e901ae618f0e80f4308fb00de1d2d"
+
 [[package]]
 name = "fixed-hash"
 version = "0.8.0"
@@ -1859,6 +2241,7 @@ dependencies = [
  "futures-core",
  "futures-task",
  "futures-util",
+ "num_cpus",
 ]
 
 [[package]]
@@ -1903,6 +2286,16 @@ dependencies = [
  "syn 2.0.32",
 ]
 
+[[package]]
+name = "futures-rustls"
+version = "0.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35bd3cf68c183738046838e300353e4716c674dc5e56890de4826801a6622a28"
+dependencies = [
+ "futures-io",
+ "rustls 0.21.7",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.28"
@@ -1963,6 +2356,17 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.1.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.8"
@@ -1976,6 +2380,16 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "ghash"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1583cc1656d7839fd3732b80cf4f38850336cdb9b8ded1cd399ca62958de3c99"
+dependencies = [
+ "opaque-debug",
+ "polyval",
+]
+
 [[package]]
 name = "gimli"
 version = "0.27.3"
@@ -2041,7 +2455,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -2130,13 +2544,32 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hkdf"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "791a029f6b9fc27657f6f188ec6e5e43f6911f6f878e0dc5501396e09809d437"
+dependencies = [
+ "hmac 0.12.1",
+]
+
+[[package]]
+name = "hmac"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
+dependencies = [
+ "crypto-mac 0.8.0",
+ "digest 0.9.0",
+]
+
 [[package]]
 name = "hmac"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a2a2320eb7ec0ebe8da8f744d7812d9fc4cb4d09344ac01898dbcb6a20ae69b"
 dependencies = [
- "crypto-mac",
+ "crypto-mac 0.11.1",
  "digest 0.9.0",
 ]
 
@@ -2146,7 +2579,18 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
+]
+
+[[package]]
+name = "hmac-drbg"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17ea0a1394df5b6574da6e0c1ade9e78868c9fb0a4e5ef4428e32da4676b85b1"
+dependencies = [
+ "digest 0.9.0",
+ "generic-array",
+ "hmac 0.8.1",
 ]
 
 [[package]]
@@ -2158,6 +2602,17 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "hostname"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867"
+dependencies = [
+ "libc",
+ "match_cfg",
+ "winapi",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -2209,7 +2664,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2",
+ "socket2 0.4.9",
  "tokio",
  "tower-service",
  "tracing",
@@ -2288,6 +2743,17 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 
+[[package]]
+name = "idna"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
+dependencies = [
+ "matches",
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "idna"
 version = "0.4.0"
@@ -2298,6 +2764,35 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "if-addrs"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbc0fa01ffc752e9dbc72818cdb072cd028b86be5e09dd04c5a643704fe101a9"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "if-watch"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9465340214b296cd17a0009acdb890d6160010b8adf8f78a00d0d7ab270f79f"
+dependencies = [
+ "async-io",
+ "core-foundation",
+ "fnv",
+ "futures",
+ "if-addrs",
+ "ipnet",
+ "log",
+ "rtnetlink",
+ "system-configuration",
+ "tokio",
+ "windows 0.34.0",
+]
+
 [[package]]
 name = "impl-codec"
 version = "0.6.0"
@@ -2404,6 +2899,18 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "ipconfig"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b58db92f96b720de98181bbbe63c831e87005ab460c1bf306eb2622b4707997f"
+dependencies = [
+ "socket2 0.5.4",
+ "widestring",
+ "windows-sys 0.48.0",
+ "winreg 0.50.0",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.7.1"
@@ -2635,7 +3142,7 @@ dependencies = [
  "ecdsa",
  "elliptic-curve",
  "once_cell",
- "sha2 0.10.6",
+ "sha2 0.10.8",
  "signature",
 ]
 
@@ -2714,105 +3221,488 @@ dependencies = [
 ]
 
 [[package]]
-name = "libproc"
-version = "0.13.0"
+name = "libp2p"
+version = "0.52.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b18cbf29f8ff3542ba22bdce9ac610fcb75d74bb4e2b306b2a2762242025b4f"
+checksum = "32d07d1502a027366d55afe187621c2d7895dc111a3df13b35fed698049681d7"
 dependencies = [
- "bindgen",
- "errno 0.2.8",
- "libc",
+ "bytes",
+ "futures",
+ "futures-timer",
+ "getrandom 0.2.8",
+ "instant",
+ "libp2p-allow-block-list",
+ "libp2p-connection-limits",
+ "libp2p-core",
+ "libp2p-dns",
+ "libp2p-identify",
+ "libp2p-identity",
+ "libp2p-mdns",
+ "libp2p-metrics",
+ "libp2p-noise",
+ "libp2p-quic",
+ "libp2p-swarm",
+ "libp2p-tcp",
+ "libp2p-yamux",
+ "multiaddr",
+ "pin-project",
 ]
 
 [[package]]
-name = "link-cplusplus"
-version = "1.0.8"
+name = "libp2p-allow-block-list"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecd207c9c713c34f95a097a5b029ac2ce6010530c7b49d7fea24d977dede04f5"
+checksum = "55b46558c5c0bf99d3e2a1a38fd54ff5476ca66dd1737b12466a1824dd219311"
 dependencies = [
- "cc",
+ "libp2p-core",
+ "libp2p-identity",
+ "libp2p-swarm",
+ "void",
 ]
 
 [[package]]
-name = "linked-hash-map"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
-
-[[package]]
-name = "linux-raw-sys"
-version = "0.1.4"
+name = "libp2p-connection-limits"
+version = "0.2.1"
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-checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"
+checksum = "2f5107ad45cb20b2f6c3628c7b6014b996fcb13a88053f4569c872c6e30abf58"
+dependencies = [
+ "libp2p-core",
+ "libp2p-identity",
+ "libp2p-swarm",
+ "void",
+]
 
 [[package]]
-name = "linux-raw-sys"
-version = "0.3.1"
+name = "libp2p-core"
+version = "0.40.1"
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-checksum = "d59d8c75012853d2e872fb56bc8a2e53718e2cafe1a4c823143141c6d90c322f"
+checksum = "dd44289ab25e4c9230d9246c475a22241e301b23e8f4061d3bdef304a1a99713"
+dependencies = [
+ "either",
+ "fnv",
+ "futures",
+ "futures-timer",
+ "instant",
+ "libp2p-identity",
+ "log",
+ "multiaddr",
+ "multihash",
+ "multistream-select",
+ "once_cell",
+ "parking_lot",
+ "pin-project",
+ "quick-protobuf",
+ "rand",
+ "rw-stream-sink",
+ "smallvec",
+ "thiserror",
+ "unsigned-varint",
+ "void",
+]
 
 [[package]]
-name = "lock_api"
-version = "0.4.9"
+name = "libp2p-dns"
+version = "0.40.0"
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-checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
+checksum = "fd4394c81c0c06d7b4a60f3face7e8e8a9b246840f98d2c80508d0721b032147"
 dependencies = [
- "autocfg",
- "scopeguard",
+ "futures",
+ "libp2p-core",
+ "libp2p-identity",
+ "log",
+ "parking_lot",
+ "smallvec",
+ "trust-dns-resolver",
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 [[package]]
-name = "log"
-version = "0.4.17"
+name = "libp2p-identify"
+version = "0.43.0"
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-checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
+checksum = "6a29675a32dbcc87790db6cf599709e64308f1ae9d5ecea2d259155889982db8"
 dependencies = [
- "cfg-if",
- "value-bag",
+ "asynchronous-codec",
+ "either",
+ "futures",
+ "futures-timer",
+ "libp2p-core",
+ "libp2p-identity",
+ "libp2p-swarm",
+ "log",
+ "lru",
+ "quick-protobuf",
+ "quick-protobuf-codec",
+ "smallvec",
+ "thiserror",
+ "void",
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 [[package]]
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-version = "0.4.1"
+name = "libp2p-identity"
+version = "0.2.5"
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-checksum = "6d0d1830bcd151a6fc4aea1369af235b36c1528fe976b8ff678683c9995eade8"
+checksum = "57bf6e730ec5e7022958da53ffb03b326e681b7316939012ae9b3c7449a812d4"
 dependencies = [
- "libc",
+ "asn1_der",
+ "bs58 0.5.0",
+ "ed25519-dalek",
+ "hkdf",
+ "libsecp256k1",
+ "log",
+ "multihash",
+ "quick-protobuf",
+ "rand",
+ "sha2 0.10.8",
+ "thiserror",
+ "zeroize",
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 [[package]]
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+name = "libp2p-mdns"
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-checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+checksum = "42a2567c305232f5ef54185e9604579a894fd0674819402bb0ac0246da82f52a"
 dependencies = [
- "regex-automata 0.1.10",
+ "data-encoding",
+ "futures",
+ "if-watch",
+ "libp2p-core",
+ "libp2p-identity",
+ "libp2p-swarm",
+ "log",
+ "rand",
+ "smallvec",
+ "socket2 0.5.4",
+ "tokio",
+ "trust-dns-proto",
+ "void",
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 [[package]]
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+name = "libp2p-metrics"
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-checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
+checksum = "239ba7d28f8d0b5d77760dc6619c05c7e88e74ec8fbbe97f856f20a56745e620"
+dependencies = [
+ "instant",
+ "libp2p-core",
+ "libp2p-identify",
+ "libp2p-identity",
+ "libp2p-swarm",
+ "once_cell",
+ "prometheus-client",
+]
 
 [[package]]
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+name = "libp2p-noise"
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 dependencies = [
- "block-buffer 0.9.0",
- "digest 0.9.0",
- "opaque-debug",
+ "bytes",
+ "curve25519-dalek 4.1.1",
+ "futures",
+ "libp2p-core",
+ "libp2p-identity",
+ "log",
+ "multiaddr",
+ "multihash",
+ "once_cell",
+ "quick-protobuf",
+ "rand",
+ "sha2 0.10.8",
+ "snow",
+ "static_assertions",
+ "thiserror",
+ "x25519-dalek",
+ "zeroize",
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+ "bytes",
+ "futures",
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+ "libp2p-core",
+ "libp2p-identity",
+ "libp2p-tls",
+ "log",
+ "parking_lot",
+ "quinn",
+ "rand",
+ "rustls 0.21.7",
+ "socket2 0.5.4",
+ "thiserror",
+ "tokio",
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+
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+ "fnv",
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+ "instant",
+ "libp2p-core",
+ "libp2p-identity",
+ "libp2p-swarm-derive",
+ "log",
+ "multistream-select",
+ "once_cell",
+ "rand",
+ "smallvec",
+ "tokio",
+ "void",
+]
+
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+
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+dependencies = [
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+
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+ "opaque-debug",
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+dependencies = [
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+ "quote",
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+ "pin-project-lite",
+ "quinn-proto",
+ "quinn-udp",
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+ "tracing",
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 version = "1.0.33"
@@ -3661,7 +4862,7 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -3671,7 +4872,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+dependencies = [
+ "getrandom 0.1.16",
 ]
 
 [[package]]
@@ -3680,7 +4890,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.8",
 ]
 
 [[package]]
@@ -3714,6 +4924,18 @@ dependencies = [
  "num_cpus",
 ]
 
+[[package]]
+name = "rcgen"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffbe84efe2f38dea12e9bfc1f65377fdf03e53a18cb3b995faedf7934c7e785b"
+dependencies = [
+ "pem",
+ "ring",
+ "time 0.3.20",
+ "yasna",
+]
+
 [[package]]
 name = "redis"
 version = "0.21.7"
@@ -3759,7 +4981,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.8",
  "redox_syscall 0.2.16",
  "thiserror",
 ]
@@ -3844,7 +5066,17 @@ dependencies = [
  "wasm-bindgen-futures",
  "web-sys",
  "webpki-roots 0.22.6",
- "winreg",
+ "winreg 0.10.1",
+]
+
+[[package]]
+name = "resolv-conf"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52e44394d2086d010551b14b53b1f24e31647570cd1deb0379e2c21b329aba00"
+dependencies = [
+ "hostname",
+ "quick-error",
 ]
 
 [[package]]
@@ -3878,7 +5110,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd124222d17ad93a644ed9d011a40f4fb64aa54275c08cc216524a9ea82fb09f"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -3930,6 +5162,21 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "rtnetlink"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "322c53fd76a18698f1c27381d58091de3a043d356aa5bd0d510608b565f469a0"
+dependencies = [
+ "futures",
+ "log",
+ "netlink-packet-route",
+ "netlink-proto",
+ "nix",
+ "thiserror",
+ "tokio",
+]
+
 [[package]]
 name = "rundler"
 version = "0.1.0-beta"
@@ -4014,6 +5261,24 @@ dependencies = [
  "rundler-types",
 ]
 
+[[package]]
+name = "rundler-network"
+version = "0.1.0-beta"
+dependencies = [
+ "ethereum_ssz",
+ "ethereum_ssz_derive",
+ "ethers",
+ "libp2p",
+ "rand",
+ "rundler-types",
+ "snap",
+ "ssz_types",
+ "thiserror",
+ "tokio-util",
+ "tracing",
+ "unsigned-varint",
+]
+
 [[package]]
 name = "rundler-pool"
 version = "0.1.0-beta"
@@ -4304,6 +5569,15 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "rusticata-macros"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "faf0c4a6ece9950b9abdb62b1cfcf2a68b3b67a10ba445b3bb85be2a293d0632"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "rustix"
 version = "0.36.15"
@@ -4403,6 +5677,17 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5583e89e108996506031660fe09baa5011b9dd0341b89029313006d1fb508d70"
 
+[[package]]
+name = "rw-stream-sink"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8c9026ff5d2f23da5e45bbc283f156383001bfb09c4e44256d02c1a685fe9a1"
+dependencies = [
+ "futures",
+ "pin-project",
+ "static_assertions",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.12"
@@ -4481,7 +5766,7 @@ dependencies = [
  "hmac 0.12.1",
  "pbkdf2 0.11.0",
  "salsa20",
- "sha2 0.10.6",
+ "sha2 0.10.8",
 ]
 
 [[package]]
@@ -4627,7 +5912,7 @@ version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e6be15c453eb305019bfa438b1593c731f36a289a7853f7707ee29e870b3b3c"
 dependencies = [
- "darling",
+ "darling 0.20.3",
  "proc-macro2",
  "quote",
  "syn 2.0.32",
@@ -4663,7 +5948,7 @@ checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -4687,13 +5972,13 @@ dependencies = [
 
 [[package]]
 name = "sha2"
-version = "0.10.6"
+version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -4702,7 +5987,7 @@ version = "0.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bdf0c33fae925bdc080598b84bc15c55e7b9a4a43b3c704da051f977469691c9"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
  "keccak",
 ]
 
@@ -4736,8 +6021,8 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8fe458c98333f9c8152221191a77e2a44e8325d0193484af2e9421a53019e57d"
 dependencies = [
- "digest 0.10.6",
- "rand_core",
+ "digest 0.10.7",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -4763,9 +6048,32 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.10.0"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
+
+[[package]]
+name = "snap"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e9f0ab6ef7eb7353d9119c170a436d1bf248eea575ac42d19d12f4e34130831"
+
+[[package]]
+name = "snow"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"
+checksum = "0c9d1425eb528a21de2755c75af4c9b5d57f50a0d4c3b7f1828a4cd03f8ba155"
+dependencies = [
+ "aes-gcm",
+ "blake2",
+ "chacha20poly1305",
+ "curve25519-dalek 4.1.1",
+ "rand_core 0.6.4",
+ "ring",
+ "rustc_version",
+ "sha2 0.10.8",
+ "subtle",
+]
 
 [[package]]
 name = "socket2"
@@ -4777,6 +6085,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4031e820eb552adee9295814c0ced9e5cf38ddf1e8b7d566d6de8e2538ea989e"
+dependencies = [
+ "libc",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "soketto"
 version = "0.7.1"
@@ -4850,6 +6168,23 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "ssz_types"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "382939886cb24ee8ac885d09116a60f6262d827c7a9e36012b4f6d3d0116d0b3"
+dependencies = [
+ "derivative",
+ "ethereum_serde_utils",
+ "ethereum_ssz",
+ "itertools 0.10.5",
+ "serde",
+ "serde_derive",
+ "smallvec",
+ "tree_hash",
+ "typenum",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -4985,6 +6320,39 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
 
+[[package]]
+name = "synstructure"
+version = "0.12.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.107",
+ "unicode-xid",
+]
+
+[[package]]
+name = "system-configuration"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7"
+dependencies = [
+ "bitflags",
+ "core-foundation",
+ "system-configuration-sys",
+]
+
+[[package]]
+name = "system-configuration-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75fb188eb626b924683e3b95e3a48e63551fcfb51949de2f06a9d91dbee93c9"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -5140,11 +6508,10 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.29.1"
+version = "1.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "532826ff75199d5833b9d2c5fe410f29235e25704ee5f0ef599fb51c21f4a4da"
+checksum = "4f38200e3ef7995e5ef13baec2f432a6da0aa9ac495b2c0e8f3b7eec2c92d653"
 dependencies = [
- "autocfg",
  "backtrace",
  "bytes",
  "libc",
@@ -5153,7 +6520,7 @@ dependencies = [
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "socket2 0.5.4",
  "tokio-macros",
  "windows-sys 0.48.0",
 ]
@@ -5488,6 +6855,63 @@ dependencies = [
  "tracing-serde",
 ]
 
+[[package]]
+name = "tree_hash"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c998ac5fe2b07c025444bdd522e6258110b63861c6698eedc610c071980238d"
+dependencies = [
+ "ethereum-types",
+ "ethereum_hashing",
+ "smallvec",
+]
+
+[[package]]
+name = "trust-dns-proto"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f7f83d1e4a0e4358ac54c5c3681e5d7da5efc5a7a632c90bb6d6669ddd9bc26"
+dependencies = [
+ "async-trait",
+ "cfg-if",
+ "data-encoding",
+ "enum-as-inner",
+ "futures-channel",
+ "futures-io",
+ "futures-util",
+ "idna 0.2.3",
+ "ipnet",
+ "lazy_static",
+ "rand",
+ "smallvec",
+ "socket2 0.4.9",
+ "thiserror",
+ "tinyvec",
+ "tokio",
+ "tracing",
+ "url",
+]
+
+[[package]]
+name = "trust-dns-resolver"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aff21aa4dcefb0a1afbfac26deb0adc93888c7d295fb63ab273ef276ba2b7cfe"
+dependencies = [
+ "cfg-if",
+ "futures-util",
+ "ipconfig",
+ "lazy_static",
+ "lru-cache",
+ "parking_lot",
+ "resolv-conf",
+ "smallvec",
+ "thiserror",
+ "tokio",
+ "tracing",
+ "trust-dns-proto",
+]
+
 [[package]]
 name = "try-lock"
 version = "0.2.4"
@@ -5572,6 +6996,27 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "universal-hash"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f214e8f697e925001e66ec2c6e37a4ef93f0f78c2eed7814394e10c62025b05"
+dependencies = [
+ "generic-array",
+ "subtle",
+]
+
+[[package]]
+name = "unsigned-varint"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6889a77d49f1f013504cec6bf97a2c730394adedaeb1deb5ea08949a50541105"
+dependencies = [
+ "asynchronous-codec",
+ "bytes",
+ "tokio-util",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"
@@ -5585,7 +7030,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "143b538f18257fac9cad154828a57c6bf5157e1aa604d4816b5995bf6de87ae5"
 dependencies = [
  "form_urlencoded",
- "idna",
+ "idna 0.4.0",
  "percent-encoding",
 ]
 
@@ -5607,7 +7052,7 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.8",
  "serde",
 ]
 
@@ -5619,13 +7064,9 @@ checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
 
 [[package]]
 name = "value-bag"
-version = "1.0.0-alpha.9"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2209b78d1249f7e6f3293657c9779fe31ced465df091bbd433a1cf88e916ec55"
-dependencies = [
- "ctor",
- "version_check",
-]
+checksum = "d92ccd67fb88503048c01b59152a04effd0782d035a83a6d256ce6085f08f4a3"
 
 [[package]]
 name = "version_check"
@@ -5633,6 +7074,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
+[[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+
 [[package]]
 name = "waker-fn"
 version = "1.1.0"
@@ -5660,6 +7107,12 @@ dependencies = [
  "try-lock",
 ]
 
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
 [[package]]
 name = "wasi"
 version = "0.10.0+wasi-snapshot-preview1"
@@ -5793,6 +7246,12 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "widestring"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "653f141f39ec16bba3c5abe400a0c60da7468261cc2cbf36805022876bc721a8"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -5824,6 +7283,19 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45296b64204227616fdbf2614cefa4c236b98ee64dfaaaa435207ed99fe7829f"
+dependencies = [
+ "windows_aarch64_msvc 0.34.0",
+ "windows_i686_gnu 0.34.0",
+ "windows_i686_msvc 0.34.0",
+ "windows_x86_64_gnu 0.34.0",
+ "windows_x86_64_msvc 0.34.0",
+]
+
 [[package]]
 name = "windows"
 version = "0.51.1"
@@ -5918,6 +7390,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17cffbe740121affb56fad0fc0e421804adf0ae00891205213b5cecd30db881d"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.42.1"
@@ -5930,6 +7408,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2564fde759adb79129d9b4f54be42b32c89970c18ebf93124ca8870a498688ed"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.42.1"
@@ -5942,6 +7426,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cd9d32ba70453522332c14d38814bceeb747d80b3958676007acadd7e166956"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.42.1"
@@ -5954,6 +7444,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfce6deae227ee8d356d19effc141a509cc503dfd1f850622ec4b0f84428e1f4"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.42.1"
@@ -5978,6 +7474,12 @@ version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d19538ccc21819d01deaf88d6a17eae6596a12e9aafdbb97916fb49896d89de9"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.42.1"
@@ -6008,6 +7510,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "winreg"
+version = "0.50.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1"
+dependencies = [
+ "cfg-if",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "ws_stream_wasm"
 version = "0.7.4"
@@ -6036,23 +7548,89 @@ dependencies = [
  "tap",
 ]
 
+[[package]]
+name = "x25519-dalek"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a0c105152107e3b96f6a00a65e86ce82d9b125230e1c4302940eca58ff71f4f"
+dependencies = [
+ "curve25519-dalek 3.2.0",
+ "rand_core 0.5.1",
+ "zeroize",
+]
+
+[[package]]
+name = "x509-parser"
+version = "0.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7069fba5b66b9193bd2c5d3d4ff12b839118f6bcbef5328efafafb5395cf63da"
+dependencies = [
+ "asn1-rs",
+ "data-encoding",
+ "der-parser",
+ "lazy_static",
+ "nom",
+ "oid-registry",
+ "rusticata-macros",
+ "thiserror",
+ "time 0.3.20",
+]
+
 [[package]]
 name = "xml-rs"
 version = "0.8.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "52839dc911083a8ef63efa4d039d1f58b5e409f923e44c80828f206f66e5541c"
 
+[[package]]
+name = "yamux"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0329ef377816896f014435162bb3711ea7a07729c23d0960e6f8048b21b8fe91"
+dependencies = [
+ "futures",
+ "log",
+ "nohash-hasher",
+ "parking_lot",
+ "pin-project",
+ "rand",
+ "static_assertions",
+]
+
 [[package]]
 name = "yansi"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec"
 
+[[package]]
+name = "yasna"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e17bb3549cc1321ae1296b9cdc2698e2b6cb1992adfa19a8c72e5b7a738f44cd"
+dependencies = [
+ "time 0.3.20",
+]
+
 [[package]]
 name = "zeroize"
-version = "1.5.7"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
+dependencies = [
+ "zeroize_derive",
+]
+
+[[package]]
+name = "zeroize_derive"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f"
+checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.32",
+]
 
 [[package]]
 name = "zip"
diff --git a/Makefile b/Makefile
index 6b3339083..d8b27a9a2 100644
--- a/Makefile
+++ b/Makefile
@@ -28,4 +28,11 @@ test-spec-integrated: ## Run spec tests in integrated mode
 .PHONY: test-spec-modular
 test-spec-modular: ## Run spec tests in modular mode
 	test/spec-tests/remote/run-spec-tests.sh
-	
+
+.PHONY: test-coverage-all
+test-coverage-all: ## Run tests and display coverage
+	cargo llvm-cov nextest --all-features --open --workspace
+
+.PHONY: test-coverage
+test-coverage: ## Run tests and display coverage for a single package
+	cargo llvm-cov nextest --all-features --open -p $(package)
diff --git a/crates/network/Cargo.toml b/crates/network/Cargo.toml
new file mode 100644
index 000000000..82d2c37fa
--- /dev/null
+++ b/crates/network/Cargo.toml
@@ -0,0 +1,28 @@
+[package]
+name = "rundler-network"
+version.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+rundler-types = { path = "../types" }
+
+ethereum_ssz = "0.5.3"
+ethereum_ssz_derive = "0.5.3"
+ethers.workspace = true
+snap = "1.1.0"
+ssz_types = "0.5.4"
+tokio-util = { workspace = true, features = ["codec", "compat"] }
+thiserror.workspace = true
+tracing.workspace = true
+unsigned-varint = { version = "0.7.2", features = ["codec"] }
+
+[dependencies.libp2p]
+version = "0.52.3"
+default-features = false
+features = ["tokio", "noise", "macros", "tcp", "identify", "yamux", "secp256k1"]
+
+[dev-dependencies]
+rand.workspace = true
diff --git a/crates/network/src/lib.rs b/crates/network/src/lib.rs
new file mode 100644
index 000000000..f105462d6
--- /dev/null
+++ b/crates/network/src/lib.rs
@@ -0,0 +1,29 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+#![warn(missing_docs, unreachable_pub)]
+#![deny(unused_must_use, rust_2018_idioms)]
+#![doc(test(
+    no_crate_inject,
+    attr(deny(warnings, rust_2018_idioms), allow(dead_code, unused_variables))
+))]
+
+//! Implementation of the ERC-4337 Bundler P2P Network Protocol.
+//! See the [specification](https://github.com/eth-infinitism/bundler-spec/blob/main/p2p-specs/p2p-interface.md) for more details.
+//!
+//! Lots of inspiration for the components of this implementation were taken from the Lighthouse implementation
+//! of the Ethereum consensus layer p2p protocol. See [here](https://github.com/sigp/lighthouse/) for more details.
+
+// TODO(danc): remove this before release
+#[allow(dead_code)]
+mod rpc;
diff --git a/crates/network/src/rpc/handler/codec.rs b/crates/network/src/rpc/handler/codec.rs
new file mode 100644
index 000000000..20e9e5eb3
--- /dev/null
+++ b/crates/network/src/rpc/handler/codec.rs
@@ -0,0 +1,420 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+use std::{
+    cmp,
+    io::{self, Write},
+};
+
+use libp2p::bytes::{BufMut, BytesMut};
+use tokio_util::codec::{Decoder, Encoder};
+
+use super::{
+    serde::{self, SszChunkResult},
+    snappy::LengthPrefixedSnappyCodec,
+};
+use crate::rpc::{
+    message::{Request, MAX_ERROR_MESSAGE_LEN},
+    protocol::{Protocol, ProtocolSchema},
+};
+
+/// Error type for the codecs.
+#[derive(Debug, thiserror::Error)]
+pub(crate) enum CodecError {
+    #[error(transparent)]
+    IoError(#[from] io::Error),
+    #[error("Invalid schema for protocol")]
+    InvalidSchema,
+    #[error("Invalid data: {0}")]
+    InvalidData(String),
+    #[error("SSZ deserialize error {0:?}")]
+    SszDeserializeError(ssz::DecodeError),
+}
+
+/// Inbound codec. Decodes inbound requests and encodes response chunks.
+pub(crate) struct InboundCodec {
+    protocol: Protocol,
+    max_chunk_size: usize,
+    inner: LengthPrefixedSnappyCodec,
+}
+
+impl InboundCodec {
+    /// Create a new codec for a particular protocol.
+    pub(crate) fn new(protocol: Protocol, max_chunk_size: usize) -> Self {
+        let (min, max) = protocol.schema.ssz_request_limits();
+
+        Self {
+            protocol,
+            max_chunk_size,
+            inner: LengthPrefixedSnappyCodec::new(min, cmp::min(max, max_chunk_size)),
+        }
+    }
+}
+
+impl Encoder<SszChunkResult> for InboundCodec {
+    type Error = CodecError;
+
+    fn encode(&mut self, item: SszChunkResult, dst: &mut BytesMut) -> Result<(), Self::Error> {
+        let code = item.code();
+        let bytes = serde::seraialize_response_chunk(item)?;
+        let len = bytes.len();
+
+        if (code > 0 && len > MAX_ERROR_MESSAGE_LEN)
+            || ssz_response_length_invalid(len, self.protocol.schema, self.max_chunk_size)
+        {
+            return Err(CodecError::InvalidData(format!(
+                "Invalid response length {}",
+                len
+            )));
+        }
+
+        // response code
+        dst.writer().write_all(&[code])?;
+
+        // snappy
+        self.inner.encode(bytes, dst)?;
+
+        Ok(())
+    }
+}
+
+impl Decoder for InboundCodec {
+    type Error = CodecError;
+    type Item = Request;
+
+    fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
+        if src.is_empty() {
+            return Ok(None);
+        }
+
+        if let Some(buf) = self.inner.decode(src)? {
+            let req = serde::deserialize_request(self.protocol.schema, &buf)?;
+            Ok(Some(req))
+        } else {
+            Ok(None)
+        }
+    }
+}
+
+/// Outbound codec. Encodes outbound requests and decodes response chunk.
+pub(crate) struct OutboundCodec {
+    protocol: Protocol,
+    max_chunk_size: usize,
+    inner: LengthPrefixedSnappyCodec,
+    inner_error: LengthPrefixedSnappyCodec,
+
+    // decoder state
+    response_code: Option<u8>,
+}
+
+impl OutboundCodec {
+    /// Create a new codec for a particular protocol.
+    pub(crate) fn new(protocol: Protocol, max_chunk_size: usize) -> Self {
+        let (min, max) = protocol.schema.ssz_response_limits();
+
+        Self {
+            protocol,
+            max_chunk_size,
+            response_code: None,
+            inner: LengthPrefixedSnappyCodec::new(min, cmp::min(max, max_chunk_size)),
+            inner_error: LengthPrefixedSnappyCodec::new(0, MAX_ERROR_MESSAGE_LEN),
+        }
+    }
+}
+
+impl Encoder<Request> for OutboundCodec {
+    type Error = CodecError;
+
+    fn encode(&mut self, item: Request, dst: &mut BytesMut) -> Result<(), Self::Error> {
+        // NOTE: assuming that the chunk type is valid for the protocol
+        let bytes = serde::serialize_request(item)?;
+
+        if ssz_request_length_invalid(bytes.len(), self.protocol.schema, self.max_chunk_size) {
+            return Err(CodecError::InvalidData(format!(
+                "Invalid request length {}",
+                bytes.len()
+            )));
+        }
+
+        // snappy
+        // can use either codec since no length checking is done on encode
+        self.inner.encode(bytes, dst)?;
+
+        Ok(())
+    }
+}
+
+impl Decoder for OutboundCodec {
+    type Error = CodecError;
+    type Item = SszChunkResult;
+
+    fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
+        if src.is_empty() {
+            return Ok(None);
+        }
+
+        // get the decoder for the response code
+        let response_code = self.response_code.unwrap_or_else(|| {
+            let response_code = src.split_to(1)[0];
+            self.response_code = Some(response_code);
+            response_code
+        });
+
+        if response_code > 0 {
+            if let Some(buf) = self.inner_error.decode(src)? {
+                let err = serde::deserialize_error_chunk(response_code, &buf)?;
+                // reset the codec
+                self.response_code.take();
+                return Ok(Some(SszChunkResult::err(err)));
+            }
+        } else if let Some(buf) = self.inner.decode(src)? {
+            let chunk = serde::deserialize_response_chunk(self.protocol.schema, &buf)?;
+            // reset the codec
+            self.response_code.take();
+            return Ok(Some(SszChunkResult::ok(chunk)));
+        }
+
+        Ok(None)
+    }
+}
+
+impl From<unsigned_varint::decode::Error> for CodecError {
+    fn from(e: unsigned_varint::decode::Error) -> Self {
+        CodecError::InvalidData(format!("Invalid unsigned varint: {:?}", e))
+    }
+}
+
+fn ssz_request_length_invalid(
+    length: usize,
+    protocol: ProtocolSchema,
+    max_chunk_size: usize,
+) -> bool {
+    let (min, max) = protocol.ssz_request_limits();
+    length < min || length > cmp::min(max, max_chunk_size)
+}
+
+fn ssz_response_length_invalid(
+    length: usize,
+    protocol: ProtocolSchema,
+    max_chunk_size: usize,
+) -> bool {
+    let (min, max) = protocol.ssz_response_limits();
+    length < min || length > cmp::min(max, max_chunk_size)
+}
+
+#[cfg(test)]
+mod test {
+    use ethers::types::{Bytes, H256, U256};
+    use rundler_types::UserOperation;
+
+    use super::*;
+    use crate::rpc::{
+        handler::serde::{CodedError, PooledUserOpsByHashChunkSsz, SszChunk, UserOperationSsz},
+        message::{
+            ErrorKind, Goodbye, GoodbyeReason, Metadata, Ping, Pong, PooledUserOpHashesRequest,
+            PooledUserOpHashesResponse, PooledUserOpsByHashRequest, ResponseError, Status,
+        },
+        protocol::Encoding,
+    };
+
+    const MAX_CHUNK_SIZE: usize = 1048576;
+
+    #[test]
+    fn test_response_status() {
+        let res = SszChunkResult::ok(SszChunk::Status(Status {
+            supported_mempools: vec![H256::random()],
+        }));
+        let protocol = Protocol::new(ProtocolSchema::StatusV1, Encoding::SSZSnappy);
+        encode_decode_response(res, protocol);
+    }
+
+    #[test]
+    fn test_response_ping() {
+        let res = SszChunkResult::ok(SszChunk::Ping(Pong {
+            metadata_seq_number: 1,
+        }));
+        let protocol = Protocol::new(ProtocolSchema::PingV1, Encoding::SSZSnappy);
+        encode_decode_response(res, protocol);
+    }
+
+    #[test]
+    fn test_response_metadata() {
+        let res = SszChunkResult::ok(SszChunk::Metadata(Metadata { seq_number: 1 }));
+        let protocol = Protocol::new(ProtocolSchema::MetadataV1, Encoding::SSZSnappy);
+        encode_decode_response(res, protocol);
+    }
+
+    #[test]
+    fn test_response_pooled_user_op_hashes() {
+        let res = SszChunkResult::ok(SszChunk::PooledUserOpHashes(PooledUserOpHashesResponse {
+            more_flag: true,
+            hashes: vec![H256::random()],
+        }));
+        let protocol = Protocol::new(ProtocolSchema::PooledUserOpHashesV1, Encoding::SSZSnappy);
+        encode_decode_response(res, protocol);
+    }
+
+    #[test]
+    fn test_response_pooled_user_ops_by_hash() {
+        let res = SszChunkResult::ok(SszChunk::PooledUserOpsByHash(Box::new(
+            PooledUserOpsByHashChunkSsz {
+                user_op: user_op_ssz(),
+            },
+        )));
+        let protocol = Protocol::new(ProtocolSchema::PooledUserOpsByHashV1, Encoding::SSZSnappy);
+        encode_decode_response(res, protocol);
+    }
+
+    #[test]
+    fn test_response_pooled_user_ops_by_hash_multiple() {
+        let protocol = Protocol::new(ProtocolSchema::PooledUserOpsByHashV1, Encoding::SSZSnappy);
+        let mut inbound = InboundCodec::new(protocol.clone(), MAX_CHUNK_SIZE);
+        let mut outbound = OutboundCodec::new(protocol, MAX_CHUNK_SIZE);
+        let mut buf = BytesMut::new();
+        let mut results = vec![];
+
+        for _ in 0..10 {
+            let res = SszChunkResult::ok(SszChunk::PooledUserOpsByHash(Box::new(
+                PooledUserOpsByHashChunkSsz {
+                    user_op: user_op_ssz(),
+                },
+            )));
+            inbound.encode(res.clone(), &mut buf).unwrap();
+            results.push(res);
+        }
+
+        for result in results {
+            let res = outbound.decode(&mut buf).unwrap().unwrap();
+            assert_eq!(res, result);
+        }
+    }
+
+    #[test]
+    fn test_error_response() {
+        let protocol = Protocol::new(ProtocolSchema::StatusV1, Encoding::SSZSnappy);
+        let res = SszChunkResult::err(
+            ResponseError {
+                kind: ErrorKind::InvalidRequest,
+                message: "this was an invalid request".into(),
+            }
+            .try_into()
+            .unwrap(),
+        );
+        encode_decode_response(res, protocol);
+    }
+
+    #[test]
+    fn test_encode_invalid_error_response() {
+        let protocol = Protocol::new(ProtocolSchema::StatusV1, Encoding::SSZSnappy);
+        let res = SszChunkResult::err(CodedError {
+            code: 1,
+            message: vec![0; MAX_ERROR_MESSAGE_LEN + 1],
+        });
+        let mut inbound = InboundCodec::new(protocol.clone(), MAX_CHUNK_SIZE);
+        let mut buf = BytesMut::new();
+        let err = inbound.encode(res.clone(), &mut buf).unwrap_err();
+        assert!(matches!(err, CodecError::InvalidData(_)));
+    }
+
+    #[test]
+    fn test_request_status() {
+        let protocol = Protocol::new(ProtocolSchema::StatusV1, Encoding::SSZSnappy);
+
+        let req = Request::Status(Status {
+            supported_mempools: vec![H256::random()],
+        });
+
+        encode_decode_request(req, protocol);
+    }
+
+    #[test]
+    fn test_request_ping() {
+        let protocol = Protocol::new(ProtocolSchema::PingV1, Encoding::SSZSnappy);
+
+        let req = Request::Ping(Ping {
+            metadata_seq_number: 1,
+        });
+        encode_decode_request(req, protocol);
+    }
+
+    #[test]
+    fn test_request_goodbye() {
+        let protocol = Protocol::new(ProtocolSchema::GoodbyeV1, Encoding::SSZSnappy);
+
+        let req = Request::Goodbye(Goodbye {
+            reason: GoodbyeReason::ClientShutdown,
+        });
+        encode_decode_request(req, protocol);
+    }
+
+    #[test]
+    fn test_request_pooled_user_op_hashes() {
+        let protocol = Protocol::new(ProtocolSchema::PooledUserOpHashesV1, Encoding::SSZSnappy);
+
+        let req = Request::PooledUserOpHashes(PooledUserOpHashesRequest {
+            mempool: H256::random(),
+            offset: 0,
+        });
+        encode_decode_request(req, protocol);
+    }
+
+    #[test]
+    fn test_request_pooled_user_ops_by_hash() {
+        let protocol = Protocol::new(ProtocolSchema::PooledUserOpsByHashV1, Encoding::SSZSnappy);
+
+        let req = Request::PooledUserOpsByHash(PooledUserOpsByHashRequest {
+            hashes: vec![H256::random()],
+        });
+        encode_decode_request(req, protocol);
+    }
+
+    fn encode_decode_response(chunk: SszChunkResult, protocol: Protocol) {
+        let mut inbound = InboundCodec::new(protocol.clone(), MAX_CHUNK_SIZE);
+        let mut outbound = OutboundCodec::new(protocol, MAX_CHUNK_SIZE);
+
+        let mut buf = BytesMut::new();
+        inbound.encode(chunk.clone(), &mut buf).unwrap();
+        let resp = outbound.decode(&mut buf).unwrap();
+        assert_eq!(resp, Some(chunk));
+    }
+
+    fn encode_decode_request(request: Request, protocol: Protocol) {
+        let mut inbound = InboundCodec::new(protocol.clone(), MAX_CHUNK_SIZE);
+        let mut outbound = OutboundCodec::new(protocol, MAX_CHUNK_SIZE);
+
+        let mut buf = BytesMut::new();
+        outbound.encode(request.clone(), &mut buf).unwrap();
+        let req = inbound.decode(&mut buf).unwrap();
+        assert_eq!(req, Some(request));
+    }
+
+    fn user_op_ssz() -> UserOperationSsz {
+        UserOperation {
+            sender: "0x0000000000000000000000000000000000000000"
+                .parse()
+                .unwrap(),
+            nonce: U256::zero(),
+            init_code: Bytes::default(),
+            call_data: Bytes::default(),
+            call_gas_limit: U256::zero(),
+            verification_gas_limit: U256::zero(),
+            pre_verification_gas: U256::zero(),
+            max_fee_per_gas: U256::zero(),
+            max_priority_fee_per_gas: U256::zero(),
+            paymaster_and_data: Bytes::default(),
+            signature: Bytes::default(),
+        }
+        .try_into()
+        .unwrap()
+    }
+}
diff --git a/crates/network/src/rpc/handler/mod.rs b/crates/network/src/rpc/handler/mod.rs
new file mode 100644
index 000000000..a8dc973e0
--- /dev/null
+++ b/crates/network/src/rpc/handler/mod.rs
@@ -0,0 +1,17 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+mod codec;
+pub(crate) use codec::CodecError;
+mod serde;
+mod snappy;
diff --git a/crates/network/src/rpc/handler/serde.rs b/crates/network/src/rpc/handler/serde.rs
new file mode 100644
index 000000000..6dc5004eb
--- /dev/null
+++ b/crates/network/src/rpc/handler/serde.rs
@@ -0,0 +1,554 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+use ethers::types::{Address, U256};
+use rundler_types::UserOperation;
+use ssz::{Decode, DecodeError, Encode};
+use ssz_derive::{Decode, Encode};
+use tracing::warn;
+
+use crate::rpc::{
+    handler::CodecError,
+    message::{
+        ErrorKind, Goodbye, Metadata, Ping, Pong, PooledUserOpHashesRequest,
+        PooledUserOpHashesResponse, PooledUserOpsByHashRequest, PooledUserOpsByHashResponse,
+        Request, Response, ResponseError, ResponseResult, Status, MAX_ERROR_MESSAGE_LEN,
+        MAX_OPS_PER_REQUEST,
+    },
+    protocol::ProtocolSchema,
+};
+
+// TODO: determine what this actually should be
+const MAX_SSZ_SIZE: usize = 1_048_576; // 1MB
+
+/// Wrapper around a response chunk result
+///
+/// The result can be either a valid chunk or an error chunk
+#[derive(Debug, Clone, PartialEq)]
+pub(crate) struct SszChunkResult(Result<SszChunk, CodedError>);
+
+/// Coded error for a response chunk
+#[derive(Debug, Clone, PartialEq)]
+pub(crate) struct CodedError {
+    pub(crate) code: u8,
+    pub(crate) message: Vec<u8>,
+}
+
+impl From<ResponseError> for CodedError {
+    fn from(error: ResponseError) -> Self {
+        let mut bytes = error.message.into_bytes();
+        if bytes.len() > MAX_ERROR_MESSAGE_LEN {
+            warn!("Error message is too long, truncating");
+            bytes.truncate(MAX_ERROR_MESSAGE_LEN);
+        };
+
+        Self {
+            code: error.kind.into(),
+            message: bytes,
+        }
+    }
+}
+
+impl From<CodedError> for ResponseError {
+    fn from(error: CodedError) -> Self {
+        Self {
+            kind: error.code.into(),
+            message: String::from_utf8_lossy(&error.message).to_string(),
+        }
+    }
+}
+
+/// A chunk of a response
+#[derive(Debug, Clone, PartialEq)]
+pub(crate) enum SszChunk {
+    Status(Status),
+    Ping(Pong),
+    Metadata(Metadata),
+    PooledUserOpHashes(PooledUserOpHashesResponse),
+    // This response is much larger than the rest, to save space in the enum
+    // we store it in a box.
+    PooledUserOpsByHash(Box<PooledUserOpsByHashChunkSsz>),
+}
+
+impl SszChunkResult {
+    /// Create a ok response chunk
+    pub(crate) fn ok(chunk: SszChunk) -> Self {
+        Self(Ok(chunk))
+    }
+
+    /// Create an error response chunk
+    pub(crate) fn err(error: CodedError) -> Self {
+        Self(Err(error))
+    }
+
+    /// The code associated with a response chunk
+    pub(crate) fn code(&self) -> u8 {
+        match self.0 {
+            Ok(_) => 0,
+            Err(CodedError {
+                code: error_kind, ..
+            }) => error_kind,
+        }
+    }
+}
+
+/// Create a response from a list of chunks for a given protocol schema.
+pub(crate) fn response_from_chunks(
+    schema: ProtocolSchema,
+    mut chunks: Vec<SszChunkResult>,
+) -> ResponseResult {
+    if chunks.is_empty() || chunks.len() > schema.max_response_chunks() {
+        return invalid_response("invalid number of chunks");
+    }
+
+    match schema {
+        ProtocolSchema::StatusV1 => match chunks.pop().unwrap().0 {
+            Ok(SszChunk::Status(status)) => Ok(Response::Status(status)),
+            Ok(_) => invalid_response("wrong kind"),
+            Err(err) => Err(err)?,
+        },
+        ProtocolSchema::GoodbyeV1 => invalid_response("goodbye is not a valid response"),
+        ProtocolSchema::PingV1 => match chunks.pop().unwrap().0 {
+            Ok(SszChunk::Ping(pong)) => Ok(Response::Ping(pong)),
+            Ok(_) => invalid_response("wrong kind"),
+            Err(err) => Err(err)?,
+        },
+        ProtocolSchema::MetadataV1 => match chunks.pop().unwrap().0 {
+            Ok(SszChunk::Metadata(metadata)) => Ok(Response::Metadata(metadata)),
+            Ok(_) => invalid_response("wrong kind"),
+            Err(err) => Err(err)?,
+        },
+        ProtocolSchema::PooledUserOpHashesV1 => match chunks.pop().unwrap().0 {
+            Ok(SszChunk::PooledUserOpHashes(hashes)) => Ok(Response::PooledUserOpHashes(hashes)),
+            Ok(_) => invalid_response("wrong kind"),
+            Err(err) => Err(err)?,
+        },
+        ProtocolSchema::PooledUserOpsByHashV1 => {
+            let mut user_ops = Vec::new();
+            for chunk in chunks {
+                match chunk.0 {
+                    Ok(SszChunk::PooledUserOpsByHash(chunk)) => match chunk.user_op.try_into() {
+                        Ok(user_op) => user_ops.push(user_op),
+                        Err(_) => return invalid_response("invalid user op"),
+                    },
+                    Ok(_) => return invalid_response("wrong kind"),
+                    Err(err) => return Err(err.into()),
+                }
+            }
+            Ok(Response::PooledUserOpsByHash(PooledUserOpsByHashResponse {
+                user_ops,
+            }))
+        }
+    }
+}
+
+fn invalid_response(message: &str) -> ResponseResult {
+    Err(ResponseError {
+        kind: ErrorKind::InvalidRequest,
+        message: message.to_string(),
+    })
+}
+
+/// Create a list of chunks from a response
+pub(crate) fn chunks_from_response(
+    response: ResponseResult,
+) -> Result<Vec<SszChunkResult>, CodecError> {
+    let res = match response {
+        Ok(response) => match response {
+            Response::Status(status) => {
+                vec![SszChunkResult::ok(SszChunk::Status(status))]
+            }
+            Response::Metadata(metadata) => {
+                vec![SszChunkResult::ok(SszChunk::Metadata(metadata))]
+            }
+            Response::Ping(pong) => {
+                vec![SszChunkResult::ok(SszChunk::Ping(pong))]
+            }
+            Response::PooledUserOpHashes(hashes) => {
+                vec![SszChunkResult::ok(SszChunk::PooledUserOpHashes(hashes))]
+            }
+            Response::PooledUserOpsByHash(r) => r
+                .user_ops
+                .into_iter()
+                .map(|op| {
+                    SszChunkResult::ok(SszChunk::PooledUserOpsByHash(Box::new(
+                        PooledUserOpsByHashChunkSsz { user_op: op.into() },
+                    )))
+                })
+                .collect(),
+        },
+        Err(error) => {
+            vec![SszChunkResult::err(error.into())]
+        }
+    };
+    Ok(res)
+}
+
+/// Serialize a request to bytes
+pub(crate) fn serialize_request(request: Request) -> Result<Vec<u8>, CodecError> {
+    match request {
+        Request::Status(r) => Ok(r.as_ssz_bytes()),
+        Request::Goodbye(r) => Ok(GoodbyeSsz::from(r).as_ssz_bytes()),
+        Request::Ping(r) => Ok(r.as_ssz_bytes()),
+        Request::Metadata => Err(CodecError::InvalidSchema),
+        Request::PooledUserOpHashes(r) => Ok(r.as_ssz_bytes()),
+        Request::PooledUserOpsByHash(r) => Ok(r.as_ssz_bytes()),
+    }
+}
+
+/// Deserialize a request from bytes
+pub(crate) fn deserialize_request(
+    schema: ProtocolSchema,
+    bytes: &[u8],
+) -> Result<Request, CodecError> {
+    match schema {
+        ProtocolSchema::StatusV1 => Ok(Request::Status(Status::from_ssz_bytes(bytes)?)),
+        ProtocolSchema::GoodbyeV1 => {
+            let req = GoodbyeSsz::from_ssz_bytes(bytes)?;
+            Ok(Request::Goodbye(req.into()))
+        }
+        ProtocolSchema::PingV1 => Ok(Request::Ping(Ping::from_ssz_bytes(bytes)?)),
+        ProtocolSchema::MetadataV1 => Ok(Request::Metadata),
+        ProtocolSchema::PooledUserOpHashesV1 => Ok(Request::PooledUserOpHashes(
+            PooledUserOpHashesRequest::from_ssz_bytes(bytes)?,
+        )),
+        ProtocolSchema::PooledUserOpsByHashV1 => Ok(Request::PooledUserOpsByHash(
+            PooledUserOpsByHashRequest::from_ssz_bytes(bytes)?,
+        )),
+    }
+}
+
+/// Serialize a response chunk to bytes
+pub(crate) fn seraialize_response_chunk(chunk: SszChunkResult) -> Result<Vec<u8>, CodecError> {
+    match chunk.0 {
+        Ok(SszChunk::Status(r)) => Ok(r.as_ssz_bytes()),
+        Ok(SszChunk::Ping(r)) => Ok(r.as_ssz_bytes()),
+        Ok(SszChunk::Metadata(r)) => Ok(r.as_ssz_bytes()),
+        Ok(SszChunk::PooledUserOpHashes(r)) => Ok(r.as_ssz_bytes()),
+        Ok(SszChunk::PooledUserOpsByHash(r)) => Ok(r.as_ssz_bytes()),
+        // only serialize the message portion of the error, the code is already written
+        Err(error) => Ok(error.message.as_ssz_bytes()),
+    }
+}
+
+/// Deserialize a response chunk from bytes for a given protocol schema
+pub(crate) fn deserialize_response_chunk(
+    schema: ProtocolSchema,
+    bytes: &[u8],
+) -> Result<SszChunk, CodecError> {
+    match schema {
+        ProtocolSchema::StatusV1 => Ok(SszChunk::Status(Status::from_ssz_bytes(bytes)?)),
+        ProtocolSchema::GoodbyeV1 => Err(CodecError::InvalidSchema),
+        ProtocolSchema::PingV1 => Ok(SszChunk::Ping(Pong::from_ssz_bytes(bytes)?)),
+        ProtocolSchema::MetadataV1 => Ok(SszChunk::Metadata(Metadata::from_ssz_bytes(bytes)?)),
+        ProtocolSchema::PooledUserOpHashesV1 => Ok(SszChunk::PooledUserOpHashes(
+            PooledUserOpHashesResponse::from_ssz_bytes(bytes)?,
+        )),
+        ProtocolSchema::PooledUserOpsByHashV1 => Ok(SszChunk::PooledUserOpsByHash(Box::new(
+            PooledUserOpsByHashChunkSsz::from_ssz_bytes(bytes)?,
+        ))),
+    }
+}
+
+/// Deserialize an error chunk from bytes
+pub(crate) fn deserialize_error_chunk(code: u8, bytes: &[u8]) -> Result<CodedError, CodecError> {
+    let bytes = Vec::<u8>::from_ssz_bytes(bytes)?;
+    Ok(CodedError {
+        code,
+        message: bytes,
+    })
+}
+
+#[derive(Debug, Default, Encode, Decode)]
+struct GoodbyeSsz {
+    reason: u64,
+}
+
+impl From<Goodbye> for GoodbyeSsz {
+    fn from(request: Goodbye) -> Self {
+        Self {
+            reason: request.reason.into(),
+        }
+    }
+}
+
+impl From<GoodbyeSsz> for Goodbye {
+    fn from(request: GoodbyeSsz) -> Self {
+        Self {
+            reason: request.reason.into(),
+        }
+    }
+}
+
+/// Response chunk for pooled user ops by hash
+/// This is a wrapper around a user operation that implements ssz
+#[derive(Debug, Clone, PartialEq, Encode, Decode)]
+pub(crate) struct PooledUserOpsByHashChunkSsz {
+    pub(crate) user_op: UserOperationSsz,
+}
+
+#[derive(Debug, Clone, PartialEq, Encode, Decode)]
+pub(crate) struct UserOperationSsz {
+    sender: Vec<u8>,
+    nonce: U256,
+    init_code: Vec<u8>,
+    call_data: Vec<u8>,
+    call_gas_limit: U256,
+    verification_gas_limit: U256,
+    pre_verification_gas: U256,
+    max_fee_per_gas: U256,
+    max_priority_fee_per_gas: U256,
+    paymaster_and_data: Vec<u8>,
+    signature: Vec<u8>,
+}
+
+impl From<UserOperation> for UserOperationSsz {
+    fn from(uo: UserOperation) -> Self {
+        Self {
+            sender: uo.sender.as_bytes().to_vec(),
+            nonce: uo.nonce,
+            init_code: uo.init_code.to_vec(),
+            call_data: uo.call_data.to_vec(),
+            call_gas_limit: uo.call_gas_limit,
+            verification_gas_limit: uo.verification_gas_limit,
+            pre_verification_gas: uo.pre_verification_gas,
+            max_fee_per_gas: uo.max_fee_per_gas,
+            max_priority_fee_per_gas: uo.max_priority_fee_per_gas,
+            paymaster_and_data: uo.paymaster_and_data.to_vec(),
+            signature: uo.signature.to_vec(),
+        }
+    }
+}
+
+impl TryFrom<UserOperationSsz> for UserOperation {
+    type Error = CodecError;
+
+    fn try_from(uo_ssz: UserOperationSsz) -> Result<Self, Self::Error> {
+        if uo_ssz.sender.len() != 20 {
+            return Err(CodecError::InvalidData("invalid sender bytes".into()));
+        }
+
+        Ok(Self {
+            sender: Address::from_slice(&uo_ssz.sender),
+            nonce: uo_ssz.nonce,
+            init_code: uo_ssz.init_code.into(),
+            call_data: uo_ssz.call_data.into(),
+            call_gas_limit: uo_ssz.call_gas_limit,
+            verification_gas_limit: uo_ssz.verification_gas_limit,
+            pre_verification_gas: uo_ssz.pre_verification_gas,
+            max_fee_per_gas: uo_ssz.max_fee_per_gas,
+            max_priority_fee_per_gas: uo_ssz.max_priority_fee_per_gas,
+            paymaster_and_data: uo_ssz.paymaster_and_data.into(),
+            signature: uo_ssz.signature.into(),
+        })
+    }
+}
+
+impl ProtocolSchema {
+    pub(crate) fn ssz_request_limits(&self) -> (usize, usize) {
+        match self {
+            ProtocolSchema::StatusV1 => (0, MAX_SSZ_SIZE),
+            ProtocolSchema::GoodbyeV1 => (
+                <GoodbyeSsz as Encode>::ssz_fixed_len(),
+                <GoodbyeSsz as Encode>::ssz_fixed_len(),
+            ),
+            ProtocolSchema::PingV1 => (
+                <Ping as Encode>::ssz_fixed_len(),
+                <Ping as Encode>::ssz_fixed_len(),
+            ),
+            ProtocolSchema::MetadataV1 => (0, 0),
+            ProtocolSchema::PooledUserOpHashesV1 => (0, MAX_SSZ_SIZE),
+            ProtocolSchema::PooledUserOpsByHashV1 => (0, MAX_SSZ_SIZE),
+        }
+    }
+
+    pub(crate) fn ssz_response_limits(&self) -> (usize, usize) {
+        match self {
+            ProtocolSchema::StatusV1 => (0, MAX_SSZ_SIZE),
+            ProtocolSchema::GoodbyeV1 => (0, 0),
+            ProtocolSchema::PingV1 => (
+                <Pong as Encode>::ssz_fixed_len(),
+                <Pong as Encode>::ssz_fixed_len(),
+            ),
+            ProtocolSchema::MetadataV1 => (
+                <Metadata as Encode>::ssz_fixed_len(),
+                <Metadata as Encode>::ssz_fixed_len(),
+            ),
+            ProtocolSchema::PooledUserOpHashesV1 => (0, MAX_SSZ_SIZE),
+            ProtocolSchema::PooledUserOpsByHashV1 => (0, MAX_SSZ_SIZE),
+        }
+    }
+
+    pub(crate) fn max_response_chunks(&self) -> usize {
+        match self {
+            ProtocolSchema::StatusV1 => 1,
+            ProtocolSchema::GoodbyeV1 => 1,
+            ProtocolSchema::PingV1 => 1,
+            ProtocolSchema::MetadataV1 => 1,
+            ProtocolSchema::PooledUserOpHashesV1 => 1,
+            ProtocolSchema::PooledUserOpsByHashV1 => MAX_OPS_PER_REQUEST,
+        }
+    }
+}
+
+impl From<DecodeError> for CodecError {
+    fn from(err: DecodeError) -> Self {
+        Self::SszDeserializeError(err)
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use ethers::types::H256;
+
+    use super::*;
+
+    #[test]
+    fn test_status_response_chunk() {
+        let resp = ResponseResult::Ok(Response::Status(Status {
+            supported_mempools: vec![H256::random()],
+        }));
+        let chunks = chunks_from_response(resp.clone()).unwrap();
+        assert_eq!(chunks.len(), 1);
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::StatusV1, chunks);
+        assert_eq!(resp, resp_from_chunks);
+    }
+
+    #[test]
+    fn test_ping_response_chunk() {
+        let resp = ResponseResult::Ok(Response::Ping(Pong {
+            metadata_seq_number: 1,
+        }));
+        let chunks = chunks_from_response(resp.clone()).unwrap();
+        assert_eq!(chunks.len(), 1);
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::PingV1, chunks);
+        assert_eq!(resp, resp_from_chunks);
+    }
+
+    #[test]
+    fn test_metadata_response_chunk() {
+        let resp = ResponseResult::Ok(Response::Metadata(Metadata { seq_number: 1 }));
+        let chunks = chunks_from_response(resp.clone()).unwrap();
+        assert_eq!(chunks.len(), 1);
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::MetadataV1, chunks);
+        assert_eq!(resp, resp_from_chunks);
+    }
+
+    #[test]
+    fn test_pooled_user_op_hashes_response_chunk() {
+        let resp = ResponseResult::Ok(Response::PooledUserOpHashes(PooledUserOpHashesResponse {
+            more_flag: false,
+            hashes: vec![H256::random()],
+        }));
+        let chunks = chunks_from_response(resp.clone()).unwrap();
+        assert_eq!(chunks.len(), 1);
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::PooledUserOpHashesV1, chunks);
+        assert_eq!(resp, resp_from_chunks);
+    }
+
+    #[test]
+    fn test_pooled_user_ops_by_hash_response_chunk() {
+        let resp = ResponseResult::Ok(Response::PooledUserOpsByHash(PooledUserOpsByHashResponse {
+            user_ops: vec![UserOperation::default(); 5],
+        }));
+        let chunks = chunks_from_response(resp.clone()).unwrap();
+        assert_eq!(chunks.len(), 5);
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::PooledUserOpsByHashV1, chunks);
+        assert_eq!(resp, resp_from_chunks);
+    }
+
+    #[test]
+    fn test_error_response_chunk() {
+        let resp = ResponseResult::Err(ResponseError {
+            kind: ErrorKind::InvalidRequest,
+            message: "invalid request".to_string(),
+        });
+        let chunks = chunks_from_response(resp.clone()).unwrap();
+        assert_eq!(chunks.len(), 1);
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::StatusV1, chunks);
+        assert_eq!(resp, resp_from_chunks);
+    }
+
+    #[test]
+    fn test_error_after_ok_chunk() {
+        let chunks = vec![
+            SszChunkResult::ok(SszChunk::PooledUserOpsByHash(Box::new(
+                PooledUserOpsByHashChunkSsz {
+                    user_op: UserOperation::default().try_into().unwrap(),
+                },
+            ))),
+            SszChunkResult::err(CodedError {
+                code: 1,
+                message: "invalid request".to_string().into_bytes(),
+            }),
+        ];
+        let resp_from_chunks = response_from_chunks(ProtocolSchema::PooledUserOpsByHashV1, chunks);
+        assert_eq!(
+            resp_from_chunks,
+            ResponseResult::Err(ResponseError {
+                kind: ErrorKind::InvalidRequest,
+                message: "invalid request".to_string(),
+            })
+        );
+    }
+
+    #[test]
+    fn test_truncate_error() {
+        let error = ResponseError {
+            kind: ErrorKind::InvalidRequest,
+            message: String::from_utf8(vec![b'X'; MAX_ERROR_MESSAGE_LEN * 2]).unwrap(),
+        };
+
+        let coded_error = CodedError::from(error);
+        assert_eq!(coded_error.message.len(), MAX_ERROR_MESSAGE_LEN);
+    }
+
+    #[test]
+    fn test_invalid_schema() {
+        let chunk = SszChunkResult::ok(SszChunk::Metadata(Metadata { seq_number: 1 }));
+        let err = response_from_chunks(ProtocolSchema::GoodbyeV1, vec![chunk]).unwrap_err();
+        assert_eq!(err.kind, ErrorKind::InvalidRequest);
+    }
+
+    #[test]
+    fn test_empty_chunks() {
+        let err = response_from_chunks(ProtocolSchema::StatusV1, vec![]).unwrap_err();
+        assert_eq!(err.kind, ErrorKind::InvalidRequest);
+    }
+
+    #[test]
+    fn test_too_many_chunks() {
+        let chunks = vec![
+            SszChunkResult::ok(SszChunk::Status(Status {
+                supported_mempools: vec![H256::random()],
+            })),
+            SszChunkResult::ok(SszChunk::Status(Status {
+                supported_mempools: vec![H256::random()],
+            })),
+        ];
+        let err = response_from_chunks(ProtocolSchema::StatusV1, chunks).unwrap_err();
+        assert_eq!(err.kind, ErrorKind::InvalidRequest);
+    }
+
+    #[test]
+    fn test_too_many_ops() {
+        let chunk = SszChunkResult::ok(SszChunk::PooledUserOpsByHash(Box::new(
+            PooledUserOpsByHashChunkSsz {
+                user_op: UserOperation::default().try_into().unwrap(),
+            },
+        )));
+        let chunks = vec![chunk; MAX_OPS_PER_REQUEST + 1];
+        let err = response_from_chunks(ProtocolSchema::PooledUserOpsByHashV1, chunks).unwrap_err();
+        assert_eq!(err.kind, ErrorKind::InvalidRequest);
+    }
+}
diff --git a/crates/network/src/rpc/handler/snappy.rs b/crates/network/src/rpc/handler/snappy.rs
new file mode 100644
index 000000000..0d5553b3b
--- /dev/null
+++ b/crates/network/src/rpc/handler/snappy.rs
@@ -0,0 +1,210 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+use std::io::{self, Cursor, Read, Write};
+
+use libp2p::bytes::{BufMut, BytesMut};
+use tokio_util::codec::{Decoder, Encoder};
+use unsigned_varint::codec::Uvi;
+
+use super::CodecError;
+
+pub(crate) struct LengthPrefixedSnappyCodec {
+    decode_state: State,
+    uvi: Uvi<usize>,
+    decode_min_length: usize,
+    decode_max_length: usize,
+}
+
+enum State {
+    Init,
+    DecodeLength,
+    DecompressPayload {
+        max_compressed_len: usize,
+        buf: Vec<u8>,
+    },
+}
+
+impl LengthPrefixedSnappyCodec {
+    pub(crate) fn new(decode_min_length: usize, decode_max_length: usize) -> Self {
+        Self {
+            decode_state: State::Init,
+            uvi: Uvi::default(),
+            decode_min_length,
+            decode_max_length,
+        }
+    }
+}
+
+impl Decoder for LengthPrefixedSnappyCodec {
+    type Error = CodecError;
+    type Item = Vec<u8>;
+
+    fn decode(&mut self, src: &mut BytesMut) -> Result<Option<Self::Item>, Self::Error> {
+        loop {
+            match &mut self.decode_state {
+                State::Init => {
+                    if src.is_empty() {
+                        return Ok(None);
+                    } else {
+                        self.decode_state = State::DecodeLength;
+                        continue;
+                    }
+                }
+                State::DecodeLength => {
+                    if let Some(length) = self.uvi.decode(src)? {
+                        if length < self.decode_min_length || length > self.decode_max_length {
+                            return Err(CodecError::InvalidData(format!(
+                                "Invalid length: {}",
+                                length
+                            )));
+                        }
+
+                        self.decode_state = State::DecompressPayload {
+                            max_compressed_len: snap::raw::max_compress_len(length),
+                            buf: vec![0; length],
+                        };
+                        continue;
+                    } else {
+                        return Ok(None);
+                    }
+                }
+                State::DecompressPayload {
+                    max_compressed_len,
+                    buf,
+                } => {
+                    // Read up to `max_compressed_len bytes` from decoder, writing exactly `length` bytes to buf,
+                    // using a cursor to track the number of bytes read to consume from source.
+                    // This will not consume from `src` until the entire payload can be decompressed.
+                    let reader = Cursor::new(src.as_ref()).take(*max_compressed_len as u64);
+                    let mut decoder = snap::read::FrameDecoder::new(reader);
+                    let res = decoder.read_exact(buf);
+                    let read = decoder.get_ref().get_ref().position() as usize;
+
+                    match res {
+                        Ok(()) => {
+                            let buf = std::mem::take(buf);
+                            let _ = src.split_to(read);
+                            self.decode_state = State::Init;
+                            return Ok(Some(buf));
+                        }
+                        Err(e) => match e.kind() {
+                            io::ErrorKind::UnexpectedEof => {
+                                if read >= *max_compressed_len {
+                                    return Err(CodecError::InvalidData(
+                                        "Invalid snappy compression".into(),
+                                    ));
+                                }
+                                // not enough data, try again
+                                return Ok(None);
+                            }
+                            _ => {
+                                return Err(CodecError::from(e));
+                            }
+                        },
+                    }
+                }
+            }
+        }
+    }
+}
+
+impl Encoder<Vec<u8>> for LengthPrefixedSnappyCodec {
+    type Error = CodecError;
+
+    fn encode(&mut self, item: Vec<u8>, dst: &mut BytesMut) -> Result<(), Self::Error> {
+        let mut writer = dst.writer();
+
+        // length-prefixed header header
+        let mut buf = unsigned_varint::encode::usize_buffer();
+        let uvi = unsigned_varint::encode::usize(item.len(), &mut buf);
+        writer.write_all(uvi)?;
+
+        // snappy body
+        let mut encoder = snap::write::FrameEncoder::new(writer);
+        encoder.write_all(&item)?;
+        encoder.flush()?;
+
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_encode_decode() {
+        let mut codec = LengthPrefixedSnappyCodec::new(0, 1024);
+        let src = random_bytes(1024);
+        let mut buf = BytesMut::new();
+        codec.encode(src.clone(), &mut buf).unwrap();
+        let dst = codec.decode(&mut buf).unwrap().unwrap();
+        assert_eq!(src, dst);
+    }
+
+    #[test]
+    fn test_decode_too_many() {
+        let mut codec = LengthPrefixedSnappyCodec::new(0, 1024);
+        let src = random_bytes(2048);
+        let mut buf = BytesMut::new();
+        codec.encode(src, &mut buf).unwrap();
+
+        let res = codec.decode(&mut buf).unwrap_err();
+        assert!(matches!(res, CodecError::InvalidData(_)));
+    }
+
+    #[test]
+    fn test_stream() {
+        let mut codec = LengthPrefixedSnappyCodec::new(1024, 1024);
+        let src = random_bytes(1024);
+        let mut buf = BytesMut::new();
+        codec.encode(src.clone(), &mut buf).unwrap();
+
+        let encoded_len = buf.len();
+        let mut stream_buf = BytesMut::new();
+
+        // feed in bytes one at a time
+        for _ in 0..encoded_len - 1 {
+            stream_buf.put_u8(buf.split_to(1)[0]);
+            let res = codec.decode(&mut stream_buf).unwrap();
+            assert!(res.is_none());
+        }
+
+        stream_buf.put_u8(buf.split_to(1)[0]);
+        let res = codec.decode(&mut stream_buf).unwrap().unwrap();
+        assert_eq!(src, res);
+    }
+
+    #[test]
+    fn test_invalid_compression() {
+        let buf = BytesMut::new();
+        let mut writer = buf.writer();
+
+        let mut uvi_buf = unsigned_varint::encode::usize_buffer();
+        let uvi = unsigned_varint::encode::usize(1024, &mut uvi_buf);
+        writer.write_all(uvi).unwrap();
+
+        let mut buf = writer.into_inner();
+        let random = random_bytes(4096);
+        buf.put_slice(&random);
+
+        let mut codec = LengthPrefixedSnappyCodec::new(0, 1024);
+        let res = codec.decode(&mut buf).unwrap_err();
+        assert!(matches!(res, CodecError::IoError(_)));
+    }
+
+    fn random_bytes(len: usize) -> Vec<u8> {
+        (0..len).map(|_| rand::random::<u8>()).collect()
+    }
+}
diff --git a/crates/network/src/rpc/message.rs b/crates/network/src/rpc/message.rs
new file mode 100644
index 000000000..791c02d45
--- /dev/null
+++ b/crates/network/src/rpc/message.rs
@@ -0,0 +1,214 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+use ethers::types::H256;
+use rundler_types::UserOperation;
+use ssz_derive::{Decode, Encode};
+
+pub(crate) const MAX_ERROR_MESSAGE_LEN: usize = 256;
+pub(crate) const MAX_OPS_PER_REQUEST: usize = 4096;
+
+/// Request types
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) enum Request {
+    Status(Status),
+    Goodbye(Goodbye),
+    Ping(Ping),
+    Metadata,
+    PooledUserOpHashes(PooledUserOpHashesRequest),
+    PooledUserOpsByHash(PooledUserOpsByHashRequest),
+}
+
+impl Request {
+    /// Number of expected response chunks for the request
+    ///
+    /// Codec will wait to receive this many chunks before returning or timing out.
+    pub(crate) fn num_expected_response_chunks(&self) -> usize {
+        match self {
+            Request::Status(_) => 1,
+            Request::Goodbye(_) => 0,
+            Request::Ping(_) => 1,
+            Request::Metadata => 1,
+            Request::PooledUserOpHashes(_) => 1,
+            // TODO(danc): is this valid? What if the UO isn't found, need to handle less.
+            Request::PooledUserOpsByHash(r) => r.hashes.len(),
+        }
+    }
+}
+
+/// Response types
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) enum Response {
+    Status(Status),
+    Ping(Pong),
+    Metadata(Metadata),
+    PooledUserOpHashes(PooledUserOpHashesResponse),
+    PooledUserOpsByHash(PooledUserOpsByHashResponse),
+}
+
+/// Response result
+pub(crate) type ResponseResult = Result<Response, ResponseError>;
+
+/// Error for a response
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) struct ResponseError {
+    /// Kind of error
+    pub(crate) kind: ErrorKind,
+    /// Error message, may be empty if could not decode as UTF8 string
+    pub(crate) message: String,
+}
+
+/// Error kinds
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) enum ErrorKind {
+    /// Request is invalid
+    InvalidRequest,
+    /// Server error
+    ServerError,
+    /// Resource unavailable
+    ResourceUnavailable,
+    Unknown,
+}
+
+impl From<u8> for ErrorKind {
+    fn from(value: u8) -> Self {
+        match value {
+            1 => ErrorKind::InvalidRequest,
+            2 => ErrorKind::ServerError,
+            3 => ErrorKind::ResourceUnavailable,
+            _ => ErrorKind::Unknown,
+        }
+    }
+}
+
+impl From<ErrorKind> for u8 {
+    fn from(kind: ErrorKind) -> Self {
+        match kind {
+            ErrorKind::InvalidRequest => 1,
+            ErrorKind::ServerError => 2,
+            ErrorKind::ResourceUnavailable => 3,
+            ErrorKind::Unknown => 255,
+        }
+    }
+}
+
+/// Status request/response
+///
+/// TODO(danc): should supported mempools be moved to metadata?
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct Status {
+    /// Hash ids of the supported mempools
+    pub(crate) supported_mempools: Vec<H256>,
+}
+
+/// Ping request
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct Ping {
+    /// Metadata sequence number
+    pub(crate) metadata_seq_number: u64,
+}
+
+/// Pong response
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct Pong {
+    /// Metadata sequence number
+    ///
+    /// Upon receipt a sequencer number, check if its greater than
+    /// the last one received. If so, request new metadata from the peer.
+    pub(crate) metadata_seq_number: u64,
+}
+
+// Metadata response
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct Metadata {
+    /// Metadata sequence number
+    pub(crate) seq_number: u64,
+    // TODO: spec has an invalid field here, add if needed
+}
+
+/// Goodbye request
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) struct Goodbye {
+    pub(crate) reason: GoodbyeReason,
+}
+
+/// Goodbye reason
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) enum GoodbyeReason {
+    /// Client is shutting down
+    ClientShutdown,
+    /// Irrelevant network, no mempools in common
+    IrrelevantNetwork,
+    /// Fault or error
+    FaultOrError,
+    /// Too many peers, so dropping this one
+    TooManyPeers,
+    /// Unknown reason
+    Unknown,
+}
+
+impl From<u64> for GoodbyeReason {
+    fn from(value: u64) -> Self {
+        match value {
+            1 => GoodbyeReason::ClientShutdown,
+            2 => GoodbyeReason::IrrelevantNetwork,
+            3 => GoodbyeReason::FaultOrError,
+            129 => GoodbyeReason::TooManyPeers,
+            _ => GoodbyeReason::Unknown,
+        }
+    }
+}
+
+impl From<GoodbyeReason> for u64 {
+    fn from(reason: GoodbyeReason) -> Self {
+        match reason {
+            GoodbyeReason::ClientShutdown => 1,
+            GoodbyeReason::IrrelevantNetwork => 2,
+            GoodbyeReason::FaultOrError => 3,
+            GoodbyeReason::TooManyPeers => 129,
+            GoodbyeReason::Unknown => 255,
+        }
+    }
+}
+
+/// Pooled user op hashes request
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct PooledUserOpHashesRequest {
+    /// Hash id of the mempool
+    pub(crate) mempool: H256,
+    /// Offset into the mempool
+    pub(crate) offset: u64,
+}
+
+/// Pooled user op hashes response
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct PooledUserOpHashesResponse {
+    /// More user ops are available
+    pub(crate) more_flag: bool,
+    /// Hashes of the user ops
+    pub(crate) hashes: Vec<H256>,
+}
+
+/// Pooled user ops by hash request
+#[derive(Clone, Debug, PartialEq, Encode, Decode)]
+pub(crate) struct PooledUserOpsByHashRequest {
+    /// Hashes of the user ops
+    pub(crate) hashes: Vec<H256>,
+}
+
+/// Pooled user ops by hash response
+#[derive(Clone, Debug, PartialEq)]
+pub(crate) struct PooledUserOpsByHashResponse {
+    /// User ops
+    pub(crate) user_ops: Vec<UserOperation>,
+}
diff --git a/crates/network/src/rpc/mod.rs b/crates/network/src/rpc/mod.rs
new file mode 100644
index 000000000..7db612ff8
--- /dev/null
+++ b/crates/network/src/rpc/mod.rs
@@ -0,0 +1,16 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+mod handler;
+mod message;
+mod protocol;
diff --git a/crates/network/src/rpc/protocol.rs b/crates/network/src/rpc/protocol.rs
new file mode 100644
index 000000000..c0e7f1add
--- /dev/null
+++ b/crates/network/src/rpc/protocol.rs
@@ -0,0 +1,142 @@
+// This file is part of Rundler.
+//
+// Rundler is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation, either version 3 of the License, or (at your option) any later version.
+//
+// Rundler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with Rundler.
+// If not, see https://www.gnu.org/licenses/.
+
+use super::handler::CodecError;
+use crate::rpc::message::Request;
+
+const PROTOCOL_PREFIX: &str = "/account_abstraction/req";
+
+/// A protocol in the request/response family.
+///
+/// Identified by a schema and an encoding.
+///
+/// Its string identifier is of the form:
+/// `/account_abstraction_req/{message_name}/{version}/{encoding}`
+#[derive(Clone, Debug)]
+pub(crate) struct Protocol {
+    /// The schema of the protocol. A combination
+    /// of the message name and version.
+    pub(crate) schema: ProtocolSchema,
+    pub(crate) encoding: Encoding,
+    id: String,
+}
+
+impl AsRef<str> for Protocol {
+    fn as_ref(&self) -> &str {
+        self.id.as_ref()
+    }
+}
+
+impl Protocol {
+    pub(crate) fn new(schema: ProtocolSchema, encoding: Encoding) -> Self {
+        let id = format!(
+            "{}/{}/{}",
+            PROTOCOL_PREFIX,
+            schema.as_ref(),
+            encoding.as_ref()
+        );
+        Self {
+            schema,
+            encoding,
+            id,
+        }
+    }
+}
+
+/// The encoding of a protocol.
+///
+/// Currently only SSZSnappy is supported.
+#[derive(Clone, Debug)]
+pub(crate) enum Encoding {
+    SSZSnappy,
+}
+
+impl AsRef<str> for Encoding {
+    fn as_ref(&self) -> &str {
+        match self {
+            Encoding::SSZSnappy => "ssz_snappy",
+        }
+    }
+}
+
+/// Known protocol schemas.
+#[derive(Copy, Clone, Debug)]
+pub(crate) enum ProtocolSchema {
+    StatusV1,
+    GoodbyeV1,
+    PingV1,
+    MetadataV1,
+    PooledUserOpHashesV1,
+    PooledUserOpsByHashV1,
+}
+
+impl AsRef<str> for ProtocolSchema {
+    fn as_ref(&self) -> &str {
+        match self {
+            ProtocolSchema::StatusV1 => "status/1",
+            ProtocolSchema::GoodbyeV1 => "goodbye/1",
+            ProtocolSchema::PingV1 => "ping/1",
+            ProtocolSchema::MetadataV1 => "metadata/1",
+            ProtocolSchema::PooledUserOpHashesV1 => "pooled_user_op_hashes/1",
+            ProtocolSchema::PooledUserOpsByHashV1 => "pooled_user_ops_by_hash/1",
+        }
+    }
+}
+
+#[derive(Debug, thiserror::Error)]
+pub(crate) enum ProtocolError {
+    #[error(transparent)]
+    CodecError(#[from] CodecError),
+    #[error("Stream timeout")]
+    StreamTimeout,
+    #[error("Stream ended unexpectedly")]
+    IncompleteStream,
+    #[error("{0}")]
+    Internal(String),
+}
+
+/// Returns the list of supported protocols by Rundler.
+pub(crate) fn supported_protocols() -> Vec<Protocol> {
+    vec![
+        Protocol::new(ProtocolSchema::StatusV1, Encoding::SSZSnappy),
+        Protocol::new(ProtocolSchema::GoodbyeV1, Encoding::SSZSnappy),
+        Protocol::new(ProtocolSchema::PingV1, Encoding::SSZSnappy),
+        Protocol::new(ProtocolSchema::MetadataV1, Encoding::SSZSnappy),
+        Protocol::new(ProtocolSchema::PooledUserOpHashesV1, Encoding::SSZSnappy),
+        Protocol::new(ProtocolSchema::PooledUserOpsByHashV1, Encoding::SSZSnappy),
+    ]
+}
+
+/// Returns the list of protocols supported by the given request.
+pub(crate) fn request_protocols(req: &Request) -> Vec<Protocol> {
+    match req {
+        Request::Status(_) => vec![Protocol::new(ProtocolSchema::StatusV1, Encoding::SSZSnappy)],
+        Request::Goodbye(_) => vec![Protocol::new(
+            ProtocolSchema::GoodbyeV1,
+            Encoding::SSZSnappy,
+        )],
+        Request::Ping(_) => vec![Protocol::new(ProtocolSchema::PingV1, Encoding::SSZSnappy)],
+        Request::Metadata => vec![Protocol::new(
+            ProtocolSchema::MetadataV1,
+            Encoding::SSZSnappy,
+        )],
+        Request::PooledUserOpHashes(_) => vec![Protocol::new(
+            ProtocolSchema::PooledUserOpHashesV1,
+            Encoding::SSZSnappy,
+        )],
+        Request::PooledUserOpsByHash(_) => vec![Protocol::new(
+            ProtocolSchema::PooledUserOpsByHashV1,
+            Encoding::SSZSnappy,
+        )],
+    }
+}